. Contributions to Canadian biology . rr\\. a b c d Fig. 9. e f Key based upon the characters of the carapace. (Fig. 9). Aj Rostrum with lateral teeth. Bj Numerous spines on sides of carapace C. limosus. Bj Only one pair of spines on sides of carapace. Ci Areola broad (about 2 mm) C propinquus. C2 Areola narrow (about 1 mm) C. virilis. A2 Rostrum without lateral teeth. •Except C. immunis. FRESH-WATER MALACOSTRACA OF ONTARIO 157 SESSIONAL PAPER No. 39b Di Areola nearly or quite obliterated C. fodiens and diogenes. D2 Areola broad. El Rostrum nearly square C. hartonii bartonii. Eg Rostrum oblong
. Contributions to Canadian biology . rr\\. a b c d Fig. 9. e f Key based upon the characters of the carapace. (Fig. 9). Aj Rostrum with lateral teeth. Bj Numerous spines on sides of carapace C. limosus. Bj Only one pair of spines on sides of carapace. Ci Areola broad (about 2 mm) C propinquus. C2 Areola narrow (about 1 mm) C. virilis. A2 Rostrum without lateral teeth. •Except C. immunis. FRESH-WATER MALACOSTRACA OF ONTARIO 157 SESSIONAL PAPER No. 39b Di Areola nearly or quite obliterated C. fodiens and diogenes. D2 Areola broad. El Rostrum nearly square C. hartonii bartonii. Eg Rostrum oblong C. bartonii
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectnatural, bookyear1901
